{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948701,-0.316174,0.000000,0.000000,0.176255,-0.528865,0.830202,0.000000,-0.261938,0.785964,0.560044,0.000000,-1672435.961663,5018255.646616,3551855.360152,1],    "boundingVolume": {    "region": [1.892442,0.594327,1.892538,0.594550,0.000000,8.795382]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1212829.b3dm"}}}